best way to mount fiberglass hood scoop to steel hood?

I talked to an old racing bro, who has worked in an auto body shop aprox 10 years, he said just use the same cutting disk wheel ( harbar freight), that i used to cut the fender wells on the 1976 plymouth valiant...aka Hemi cut...so i go that blue painters tape marked around the area I wanted to cut..and cut backwards away from the direction of the disk...no fiberglass dust on the cutting line...it took say 10 minuets to get it done...the scoop needs final fit on the hood as the hood has a small bow (factory see mount photos) to it..I plan to get some corrsct mount specs. for the Hemi scoop, cut the hood open for an air cleaner, finalize the scoop fit , bolt it down, and use house caulk on the outter seam/hood fit, but Bob @ maco here in SIlver Spring, says they make auto body caulk...that you can paint..so that will be my choice..I want to media blast the hood, and such so it may just get mounted with out caulk first..here's some pics of progress..thanks !

http://photobucket.com/USAJon